CN111331435A - Intelligent surface grinding process and production line for alloy medium plate - Google Patents
Intelligent surface grinding process and production line for alloy medium plate Download PDFInfo
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- CN111331435A CN111331435A CN202010232123.3A CN202010232123A CN111331435A CN 111331435 A CN111331435 A CN 111331435A CN 202010232123 A CN202010232123 A CN 202010232123A CN 111331435 A CN111331435 A CN 111331435A
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- 238000000227 grinding Methods 0.000 title claims abstract description 148
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 79
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 27
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- 230000007547 defect Effects 0.000 claims abstract description 55
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 238000005554 pickling Methods 0.000 claims abstract description 9
- 238000004381 surface treatment Methods 0.000 claims abstract description 7
- 238000011156 evaluation Methods 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 238000007689 inspection Methods 0.000 description 10
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses an intelligent surface grinding process and a production line for an alloy medium plate, belonging to the technical field of grinding treatment, and the surface grinding process comprises the following steps: carrying out automatic surface defect detection on the alloy medium plate after pickling, and automatically matching the following grinding paths according to the given surface defect evaluation condition: directly inserting the alloy medium plate with qualified surface quality and the surface precision requirement grade of NO.1 into a wire for stacking; performing narrow reciprocating type abrasive belt grinding surface treatment on an alloy medium-thick plate with a small surface defect area and a surface precision requirement grade of NO.1, and then unloading and stacking; and (3) performing wide-width through-type abrasive belt grinding surface treatment on the alloy medium-thickness plate with larger surface defect area or surface precision requirement grade of NO.3 or NO.4, and then inserting the alloy medium-thickness plate into a wire for stacking. The invention can greatly reduce the floor space requirement of a field and the labor intensity of operators, improve the processing capacity of a production line and the surface precision of plates, and effectively improve the field working environment.
Description
Technical Field
The invention belongs to the technical field of grinding for treating surface defects of various alloy medium and thick plates such as stainless steel, high-temperature alloy, nickel-based corrosion-resistant alloy, non-ferrous alloy and the like, and particularly relates to an intelligent surface grinding process and a production line for the alloy medium and thick plates.
Background
After being acid washed, alloy medium and thick plates such as stainless steel, high-temperature alloy, nickel-based corrosion-resistant alloy, non-ferrous alloy and the like are subjected to surface defect inspection and grinding treatment before being delivered to customers, so that the quality of the plate surface is ensured to meet the requirements. The surface of the plate is inspected to have defects such as indentation, pits, peeling, blisters, scratches and the like or has special requirements on the surface precision of the delivered plate, and the plate is required to enter a grinding production line for surface grinding treatment.
The automation and intelligence level of the prior art for inspecting and grinding the alloy medium and thick plates such as stainless steel, nickel-based corrosion resistant alloy and the like is generally not high, the production line basically adopts a configuration mode of manual inspection and offline grinding, all processes such as acid washing, inspection, grinding and the like are basically discrete, frequent feeding and discharging operations are required, a middle stockpiling site with a certain area is required to be connected and cached, and a certain number of workers carry out stockpiling management and feeding and discharging lifting operations.
The manual visual detection is a repetitive work with high concentration and high requirements on experience, and is inevitably influenced by factors such as mood, feeling and technical level of detection personnel in the detection process, so that the reliability and consistency are difficult to ensure. The defect detection device based on machine vision successfully developed in recent years can overcome various defects brought by manual detection, is successfully applied to domestic tropical plate and medium plate production lines, and is not popularized and applied to finishing (including grinding) production lines of various alloy medium and thick plates.
The grinding method for the alloy medium-thick plate commonly used at present roughly includes the following three methods:
1) the grinding of manual pneumatic grinding wheel, the grinding of this kind of mode divide at the roll table and go on respectively with lower table grinding two-step, to finding defective panel, carry out the surface grinding to panel by the manual work with starting the emery wheel in roll table both sides earlier, after one side ground finishing, the roll table transports it to the panel turnover machine and overturns 180, then send to below to inspect and grind and continue to inspect on the roll table and grind. The grinding mode needs to be provided with a grinding roller way with a certain length and a set of matched panel turnover machine set, the length of the set is longer, the occupied area is larger, and meanwhile, the field operation environment is poorer because a dust removal processing system cannot be arranged; in addition, due to the limitation of the arm length of a person, if the person still stands on two sides of the roller way to operate, the defect of the middle part of the medium plate with the width larger than or equal to 2500mm is difficult to treat.
2) The gantry grinding wheel grinding mode is also divided into an upper surface grinding process and a lower surface grinding process, and the grinding processes are respectively carried out. For the plate to be ground after inspection, the plate needs to be lifted to a grinding platform by a workshop crane, and then the plate is ground back and forth by the cooperation of a longitudinal driving mechanism and a transverse driving mechanism. The gantry grinding unit comprises a longitudinal moving trolley, a transverse moving trolley, a grinding head lifting device, a grinding head swing frame, a grinding unit, an auxiliary dust removal device and the like. Although the grinding unit has high single-side grinding efficiency and good field operation environment, only one side can be ground at a time, and when the other side of the plate needs to be ground, an off-line plate turnover machine is required to be matched (two times of lifting operation is increased), so that the grinding efficiency is not high on the whole.
3) The principle of the abrasive belt grinding is that an annular abrasive belt is sleeved on the excircle of a contact wheel and a tension wheel, the surface of the abrasive belt rotating at a high speed is contacted with the processing surface of a workpiece under the tension state, and the surface of the workpiece is ground by the generated relative friction motion (cutting motion) under the action of certain pressure. And conveying the plate to be ground into a belt grinding machine set through a roller way for grinding. The grinding unit consists of an upper frame and a lower frame, the upper frame and the lower frame are respectively provided with an upper abrasive belt wheel set and a lower abrasive belt wheel set, so that the grinding unit has the capability of simultaneously processing two surfaces, the width supply of abrasive belts is basically not limited, the abrasive belts can be supplied to more than 2500mm, and some abrasive belts even reach 4500mm, therefore, the plates with different plate widths can be ground in a one-pass mode, and the grinding efficiency is very high. In addition, the abrasive belt grinding belongs to flexible contact, the vibration of a grinding system is small, the friction and the heat of a contact surface are small, the heat dissipation time interval of abrasive particles is long, and the surface grinding machining precision is high. Unfortunately, only a small number of such belt sander units have been found in intermediate distribution facilities and downstream customers, and no reports have been made of the supporting construction in upstream manufacturing facilities.
Disclosure of Invention
In view of the above problems, the present invention aims to provide an intelligent surface grinding process and a production line for an alloy medium plate, which fully utilize the advantages of automatic defect detection, abrasive belt grinding and other devices, integrate the same with an acid pickling production line on one production line, realize automation, intelligence and continuity of the production line, and improve production potential.
The invention is realized by the following technical scheme:
the invention provides an intelligent surface grinding process for an alloy medium plate, which comprises the following steps: carrying out automatic surface defect detection on the alloy medium plate after pickling, and automatically matching the following grinding paths according to the given surface defect evaluation condition:
directly inserting the alloy medium plate with qualified surface quality and the surface precision requirement grade of NO.1 into a wire for stacking;
performing narrow reciprocating type abrasive belt grinding surface treatment on an alloy medium-thick plate with a small surface defect area and a surface precision requirement grade of NO.1, and then unloading and stacking;
and (3) performing wide-width through-type abrasive belt grinding surface treatment on the alloy medium-thickness plate with larger surface defect area or surface precision requirement grade of NO.3 or NO.4, and then inserting the alloy medium-thickness plate into a wire for stacking.
Preferably, the speed of the narrow reciprocating belt grinding and the wide passing belt grinding is controlled to be 5 m/min-35 m/min.
The invention provides an intelligent surface grinding production line for an alloy medium plate, which is used for realizing the surface grinding process and comprises a surface defect detection device, a first sucker unloading device, a transverse rack, a wide grinding unit, a narrow grinding unit, a second sucker unloading device and a third sucker unloading device, wherein the surface defect detection device is arranged at the outlet of a drying device behind a pickling unit, the wide grinding unit and the narrow grinding unit are arranged behind the surface defect detection device in parallel, the two roller path lines are connected through the transverse rack, and the outlets of the surface defect detection device, the wide grinding unit and the narrow grinding unit are respectively provided with the first sucker unloading device, the second sucker unloading device and the third sucker unloading device.
Further, the wide-width grinding unit adopts a through structure, and the narrow-width grinding unit adopts a reciprocating structure.
Furthermore, the narrow-width grinding unit comprises a body, two sets of two-roller type abrasive belt wheel sets which are arranged in the body and are arranged up and down relative to the alloy medium plate, and a wheel set moving device which is arranged on the body and is used for respectively moving the two sets of two-roller type abrasive belt wheel sets transversely, wherein the body comprises an upper rack and a lower rack which are of a lifting structure, and the two-roller type abrasive belt wheel sets comprise a transmission roller, a contact roller and an abrasive belt which are connected together in a transmission manner.
Further, the width d of the abrasive belt of the two-roller abrasive belt wheel set1The relation between the width D of the alloy medium plate to be ground satisfies that: d1<(1/4～1/8)Dmin。
Further, the wide grinding unit comprises a body and two sets of three-roller type abrasive belt wheel sets which are arranged in the body and are vertically arranged relative to the alloy medium plate, wherein each three-roller type abrasive belt wheel set comprises a transmission roller, two contact rollers and an abrasive belt which are in transmission connection.
Further, the width d of the belt of the roller belt pulley set2The relation between the width D of the alloy medium plate to be ground satisfies that: d2＝Dmax+200mm。
Furthermore, the upper frame and the lower frame are respectively provided with a dust removal air pipe connected with a dust removal device.
The invention has the advantages that:
1. compared with the commonly configured modes of manual inspection, manual grinding wheel grinding, manual inspection, gantry grinding wheel grinding, manual inspection and abrasive belt grinding, the method organically integrates the procedures of acid washing, surface defect detection, surface grinding and the like, introduces the automatic defect detection and abrasive belt grinding technology, does not need to add a plate middle storage field and frequently carry out loading and unloading operation, can greatly reduce the field occupation requirement and the labor intensity of operators, improves the processing capacity of a production line and the surface precision of plates, and effectively improves the field working environment.
2. The invention is suitable for grinding the surfaces of various stainless steel, high-temperature alloy, nickel-based corrosion-resistant alloy, titanium, molybdenum and other nonferrous alloy medium-thickness plate products, the maximum width of the ground medium-thickness alloy plate can reach 4500mm, and the invention has higher market popularization and application value.
3. In the invention, an abrasive belt grinding mode is used, and the surface roughness value of the processed plate can reach more than Ra0.08mm.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a facing view of a production line of the present invention;
FIG. 2 is a floor plan of the production line of the present invention;
FIG. 3 is a block diagram of a process flow of the present invention;
FIG. 4 is a front view of the narrow width grinder assembly of the present invention;
FIG. 5 is a cross-sectional view of the narrow width grinder assembly of the present invention;
FIG. 6 is a front view of the broad width grinder assembly of the present invention;
FIG. 7 is a cross-sectional view of the broad width grinder assembly of the present invention;
reference numerals: 1-pickling line; 2, a drying device; 3-surface defect detection device; 4, a first sucker descending device; 5, transversely moving the rack; 6-wide grinding machine set; 7-narrow width grinder group; 8-second sucker offline device; 9-a third sucker offline device; 10-alloy medium plate; 11-mounting the frame; 12-lower frame; 13-driving roller; 14-a contact roll; 15-abrasive band; 16-a wheelset mobile device; 17-dust removal air pipe.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
As shown in fig. 1, the intelligent surface grinding process for the alloy medium plate of the present embodiment is implemented as follows: conveying the alloy medium plate after pickling to a surface defect detection device through a roller way for automatic detection, and automatically selecting a corresponding grinding path according to the surface condition automatically identified by the surface defect detection device, namely: for the alloy medium plate which is detected to have qualified surface quality and has no special requirement on the surface precision of a finished product, a sucking disc offline device near the rear outlet of the surface defect detection device directly hoists the alloy medium plate offline for stacking; conveying the alloy medium plate with a small surface defect processing surface and no special requirement on the surface precision of a finished product to a narrow reciprocating abrasive belt grinding unit for processing, and hoisting and unloading the alloy medium plate by a sucking disc unloading device at the outlet of the narrow reciprocating abrasive belt grinding unit for stacking after grinding; the alloy medium plate with a larger surface processed by the detected surface defect or with special requirements on surface precision is transported to a wide-width through type abrasive belt grinding unit for processing, and after grinding is finished, the alloy medium plate is lifted off and stocked by a sucking disc off-line device at the outlet of the wide-width through type abrasive belt grinding unit.
As shown in the figure 1-2, the production line for realizing the intelligent surface grinding process of the alloy medium plate comprises a surface defect detection device 3, a first sucking disc offline device 4, a traverse rack 5, a wide grinding unit 6, a narrow grinding unit 7, a second sucking disc offline device 8, a third sucking disc offline device 9, a conveying roller way, an auxiliary dust removal system and the like, wherein the surface defect detection device 3 is arranged at the outlet of a drying device 2 behind a pickling unit 1, the wide grinding unit 6 is arranged behind the surface defect detection device 3 and is on the same axis with the surface defect detection device, the narrow grinding unit 7 and the wide grinding unit 6 are arranged in parallel, the roller line of the narrow grinding unit and the wide grinding unit are connected through the traverse rack 5, and the first sucking disc offline device 4, the second sucking disc offline device, the narrow grinding unit 6 and the narrow grinding unit 7 are respectively arranged at the outlets of the surface defect detection device 3, the, A second suction cup take-off device 8 and a third suction cup take-off device 9.
Specifically, the production line is suitable for carrying out surface grinding treatment on various non-ferrous alloy medium-thick plates such as stainless steel, high-temperature alloy, nickel-based corrosion-resistant alloy, titanium, molybdenum and the like, and the specifications of the treated medium-thick plates are as follows: thickness: 3 mm-120 mm; width: 1000mm to 4000 mm; length: 2000 mm-12000 mm.
The pickled various alloy medium plate materials are sent to a surface defect detection device for automatic identification through a roller way, and the surface defect detection device is a set of device developed for years and successfully applied to production lines of a plurality of hot rolled strip steels and medium plates at home and abroad. The principle is that a CCD camera is used for acquiring surface images of plates on a production line in real time, and meanwhile, the acquired images are processed and analyzed in real time by adopting a rapid image processing and mode recognition algorithm, so that the surface defects of the plates are detected in real time, and the defects are automatically classified and recognized. According to the defect identification result, the plate automatically selects a corresponding grinding path and is transported to a corresponding machine set for processing, and the method specifically comprises the following steps:
1) the alloy medium plate (the surface precision requirement is NO.1) which has no defect on the surface of the detected plate and has no special requirement on the precision is directly conveyed to the first sucking disc blanking device after detection, and is lifted and unloaded for stacking.
2) Although the detected plate surface has no defect, but has special requirements for the precision (the surface precision requirement reaches NO.3 or NO.4), the alloy medium plate is conveyed to a wide grinding unit through a roller way to be ground after detection, under the normal condition, grinding treatment can be completed by one-time passing, if the surface has problems after detection, the alloy medium plate can also be repeatedly ground, and the alloy medium plate is conveyed to the lower part of a second sucking disc blanking device after grinding, and then is lifted, discharged and stacked.
3) And conveying the detected alloy medium and thick plates with smaller surface defect areas or small estimated treatment amount to a narrow grinding unit through a roller way and a transverse moving rack for reciprocating surface treatment for multiple times, conveying the alloy medium and thick plates to the lower part of a third sucking disc offline device after grinding, and hoisting and offline the alloy medium and thick plates for stacking.
4) And conveying the detected alloy medium plate with larger surface defect area or larger estimated treatment amount to a wide grinding unit through a roller way for grinding, normally, finishing grinding treatment by one-time passing, and if the surface still has problems after detection, repeatedly grinding for many times, conveying the ground alloy medium plate to the lower part of a second sucking disc blanking device, and then lifting the alloy medium plate off line by the second sucking disc blanking device for piling.
The following table is a general representation of the surface brightness of the stainless steel plate:
TABLE 1 common representation of surface brightness of stainless steel plate
As shown in fig. 4 and 5, the narrow-width grinding unit 7 includes a main body, two sets of two-roller abrasive belt wheel sets disposed in the main body and arranged up and down with respect to the alloy medium plate 10, and a wheel set moving device 16 disposed on the main body and used for respectively moving the two sets of two-roller abrasive belt wheel sets laterally, and the main body is composed of a fixed lower frame 12 and an upper frame 11 vertically lifted along four vertical columns. Wherein the lower frame comprises a two-roller beltWheel sets, wheel set moving devices, etc.; the upper frame comprises a two-roller type abrasive belt wheel set, a wheel set moving device, a frame lifting device and the like; the two-roller abrasive belt wheel set comprises a driving roller 13, a contact roller 14 and an abrasive belt 15 which are connected together in a driving way; the width of the sanding belt is usually much smaller than the width of the treated sheet, i.e.: width d of abrasive belt1The relation between the width D of the alloy medium plate to be ground satisfies that: d1<(1/4～1/8)DminGenerally, 200 mm-500 mm is adopted, the two-roller type abrasive belt wheel set covers different plate surfaces on the width of the plate through the transverse movement of the wheel set moving device, and the two-roller type abrasive belt wheel set is matched with the reciprocating motion of the plate on a roller way to be used, so that the defect grinding of the whole plate surface of the plate can be realized. The narrow-width grinding unit adopts a reciprocating structure and is used for processing the working condition that the defect area is small and the grinding treatment amount is small.
As shown in fig. 6 and 7, the wide width grinder assembly 6 is similar in structure to the narrow width grinder assembly 7 except that the wide width grinder assembly has no wheel set moving device and a three-roller belt wheel set structure is adopted. Namely: the wide-width grinding unit 7 comprises the body and two sets of three-roller type abrasive belt wheel sets which are arranged in the body and arranged up and down relative to the alloy medium plate 10, wherein each three-roller type abrasive belt wheel set comprises a driving roller 13, two contact rollers 14 and an abrasive belt 15 which are connected together in a driving mode. The width of the abrasive belt of the wide-width grinding unit can cover the maximum width of a processed plate, namely: width d of abrasive belt2The relation between the width D of the alloy medium plate to be ground satisfies that: d2＝Dmax+200mm, can realize once-through type to the whole face grinding of panel defect. The wide-width grinding unit adopts a through structure and is suitable for working conditions with larger defect area or special requirements on surface precision.
The upper frame 11 and the lower frame 12 of the wide width grinder unit 6 and the narrow width grinder unit 7 in this embodiment are further provided with dust removing air pipes 17 connected to a dust removing device (not shown), respectively. The dust removal device is connected with the dust removal system, so that the good operation environment on site is effectively ensured.
The abrasive belt in the embodiment has the grinding speed of 5-35m/min, and can be sequentially connected with the front-end acid washing and automatic detection procedures. Because of using the abrasive belt grinding mode, the surface roughness value of the processed plate can reach more than Ra0.08mm, and the plate surface precision of the processed plate reaches a higher level. Compared with the commonly configured modes of manual inspection, manual grinding wheel grinding, manual inspection, gantry grinding wheel grinding, manual inspection and abrasive belt grinding, the method organically integrates the procedures of acid washing, surface defect detection, surface grinding and the like, introduces the automatic defect detection and abrasive belt grinding technology, does not need to add a plate middle storage field and frequently carry out loading and unloading operation, can greatly reduce the field occupation requirement and the labor intensity of operators, improves the production line processing capacity and the plate surface precision, and has higher market popularization and application value.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is apparent that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The intelligent surface grinding process for the alloy medium plate is characterized by comprising the following steps of: carrying out automatic surface defect detection on the alloy medium plate after pickling, and automatically matching the following grinding paths according to the given surface defect evaluation condition:
directly inserting the alloy medium plate with qualified surface quality and the surface precision requirement grade of NO.1 into a wire for stacking;
performing narrow reciprocating type abrasive belt grinding surface treatment on an alloy medium-thick plate with a small surface defect area and a surface precision requirement grade of NO.1, and then unloading and stacking;
and (3) performing wide-width through-type abrasive belt grinding surface treatment on the alloy medium-thickness plate with larger surface defect area or surface precision requirement grade of NO.3 or NO.4, and then inserting the alloy medium-thickness plate into a wire for stacking.
2. The intelligent surface grinding process for the alloy medium plate according to claim 1, wherein the speeds of the narrow reciprocating belt grinding and the wide through belt grinding are controlled to be 5 m/min-35 m/min.
3. An intelligent surface grinding production line for alloy medium and heavy plates, which is used for realizing the surface grinding process according to claim 1 or 2, and comprises a surface defect detection device (3), a first suction disc feeding device (4), a transverse moving rack (5), a wide grinding unit (6), a narrow grinding unit (7), a second suction disc feeding device (8) and a third suction disc feeding device (9), the surface defect detection device is arranged at the outlet of the drying device (2) behind the pickling line (1), the wide grinding unit and the narrow grinding unit are arranged in parallel behind the surface defect detection device, and the two roller path lines are connected through a transverse moving rack, and the outlets of the surface defect detection device, the wide grinding unit and the narrow grinding unit are respectively provided with a first sucker unloading device, a second sucker unloading device and a third sucker unloading device.
4. The intelligent surface grinding production line for the alloy medium plate according to claim 3, wherein the wide-width grinding unit adopts a through type structure, and the narrow-width grinding unit adopts a reciprocating type structure.
5. The intelligent surface grinding production line of the alloy medium plate according to claim 4, wherein the narrow-width grinding unit comprises a body, two sets of two-roller type abrasive belt wheel sets arranged in the body and arranged up and down relative to the alloy medium plate (10), and a wheel set moving device (16) arranged on the body and used for respectively transversely moving the two sets of two-roller type abrasive belt wheel sets, the body comprises an upper frame (11) and a lower frame (12) which are in a lifting structure, and the two-roller type abrasive belt wheel sets comprise a transmission roller (13), a contact roller (14) and an abrasive belt (15) which are in transmission connection.
6. The intelligent surface grinding production line for alloy medium plate according to claim 5, wherein the width d of the abrasive belt of the two-roller abrasive belt wheel set1With the medium thickness of the alloy to be groundThe relationship between the plate widths D satisfies:
d1<(1/4～1/8)Dmin。
7. the intelligent surface grinding production line for the alloy medium plate according to claim 5, wherein the wide grinding unit comprises the body and two sets of three-roller type abrasive belt wheel sets which are arranged in the body and are arranged up and down relative to the alloy medium plate, and each three-roller type abrasive belt wheel set comprises the driving roller, the two contact rollers and the abrasive belt which are in driving connection.
8. The intelligent surface grinding production line for alloy medium and heavy plates according to claim 7, wherein the width d of the abrasive belt of the roller type abrasive belt wheel set is the width of the abrasive belt2The relation between the width D of the alloy medium plate to be ground satisfies that:
d2＝Dmax+200mm。
9. the intelligent surface grinding production line of the alloy medium plate according to claim 5, wherein the upper frame and the lower frame are respectively provided with a dust removal air pipe (17) connected with a dust removal device.
Priority Applications (1)
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